Greater Castle Forest Weather Forecast

    • 64
    • 87

    Increasing Clouds

    • 67
    • 87

    Mostly Cloudy

    • 67
    • 90

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 65
    • 88

    Chance Rain Showers

    • 52
    • 79

    Chance Thunderstorms

    • 48
    • 67

    Chance Rain Showers

Today 30 Mar Hays

Mostly cloudy this Morning, then clearing. Highs in the upper 80s. South Winds 15 to 20 Mph.

Tonight 30 Mar Hays

Mostly clear this Evening, then becoming mostly cloudy. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greater Castle Forest Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (5.6 miles)

  • Lowest 13 March, 2026

    37.9 °F

  • Average March

    70.1 °F

  • Highest 15 March, 2026

    98.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    82.3 °F
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